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If the equation ax^2+bx+c=0 and bx^2+cx+...

If the equation `ax^2+bx+c=0` and `bx^2+cx+a=0``
` (a,b,c are unequal non zero real number) have a common root then `f(x)=bx^3+cx^2+ax-5` always passes through fixed point `
(a) (1,5)
(b) (0,-5)
(c) (-1,-5)
(d) (0,5)

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